51454197

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 81544320

約数和(自身を除く): 30090123

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 389, 621, 639, 1167, 1633, 1863, 1917, 3501, 4899, 5751, 8947, 10503, 14697, 26841, 27619, 31509, 44091, 80523, 82857, 132273, 241569, 248571, 635237, 724707, 745713, 1905711, 2237139, 5717133, 17151399, 51454197]

約数ペア:

[(1, 51454197), (3, 17151399), (9, 5717133), (23, 2237139), (27, 1905711), (69, 745713), (71, 724707), (81, 635237), (207, 248571), (213, 241569), (389, 132273), (621, 82857), (639, 80523), (1167, 44091), (1633, 31509), (1863, 27619), (1917, 26841), (3501, 14697), (4899, 10503), (5751, 8947)]